Ⅰ.阅读理解
A
A scientist working at her lab bench and a sixmonthold baby playing with his food might seem to have little in common.After all，the scientist is engaged in serious research to uncover the very nature of the physical world，and the baby is，well, just playing...right？Perhaps，but some developmental psychologists (心理学家) have argued that this “play” is more like a scientific investigation than one might think.
